/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.hudi.adapter;

import org.apache.flink.api.common.functions.OpenContext;
import org.apache.flink.api.common.functions.WithConfigurationOpenContext;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.streaming.api.functions.ProcessFunction;

/**
 * Adapter clazz for {@link ProcessFunction}.
 */
public abstract class ProcessFunctionAdapter<I, O> extends ProcessFunction<I, O> {

  public ProcessFunctionAdapter() {
    super();
  }

  @Override
  public void open(OpenContext openContext) throws Exception {
    super.open(openContext);
    Configuration configuration = new Configuration();
    if (openContext instanceof WithConfigurationOpenContext) {
      configuration = ((WithConfigurationOpenContext) openContext).getConfiguration();
    }
    open(configuration);
  }

  public void open(Configuration configuration) throws Exception {
    // do nothing
  }
}
